#include <iostream>
#include <fstream>
using namespace std;
int sel[10],v[10],n;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
bool valid (int k){
    int i;
    for (i = 0; i < n; ++i)
        sel[i] = 0;
    for (i = 0; i < k; ++i)
        if (sel[v[i]])
        return 0;
    else
        sel[v[i]] = 1;
    return 1;
}
void bkt (int k){
    if (k == n){
        for (int i = 0; i < n; ++i)
            fout << v[i] + 1 << " ";
        fout << '\n';
        return ;
    }
    for (int i = 0; i < n; ++i){
        v[k] = i;
        if (valid (k))
            bkt (k + 1);
        v[k] = 0;
    }
}
int main()
{
    fin >> n;
    bkt (0);
    return 0;
}